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Finding the Fourth Proportional to 36,089.75, 49,803.86 and 20,173.86

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Solution

The fourth proportional to 36,089.75, 49,803.86 and 20,173.86 is: 27,839.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,089.75 : 49,803.86 = 20,173.86 : x
  2. Step 2: Convert to fraction form
    36,089.75/49,803.86 = 20,173.86/x
  3. Step 3: Cross multiply
    36,089.75x = 49,803.86 × 20,173.86
  4. Step 4: Simplify right side
    36,089.75x = 1,004,736,099.10
  5. Step 5: Solve for x
    x = 1,004,736,099.10/36,089.75
  6. Step 6: Final answer
    x = 27,839.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.